Question: Which FPGA prototype open source hardware has the highest voltage?
Paraphrase: Tell me which FPGA prototype open source hardware has the highest voltage.
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q159172 . ?ent wdt:P2436 ?obj . ?ent wdt:P366 wd:Q5426992 } ORDER BY DESC(?obj)LIMIT 5 
Answer: IceZUM Alhambra rev1, IceZUM Alhambra rev1